diff --git a/composer.json b/composer.json
index 45c5f76..7138561 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
 	],
 	"require-dev": {
 		"christophwurst/nextcloud": "^16.0",
-		"phpunit/phpunit": "^7."
+		"phpunit/phpunit": "^8"
 	},
 	"scripts": {
 		"lint": "find . -name \\*.php -not -path './vendor/*' -exec php -l \"{}\" \\;"